Rule of 72 Calculator
Quickly estimate years to double your money at a given interest rate.
Formula: Years ≈ 72 / rate
How to use Rule of 72 Calculator
- Enter your numbers in the fields above.
- Click Calculate for instant results.
- Adjust inputs to compare scenarios — all processing stays in your browser.
Why use WorkPilot finance tools?
Free, private, and optimized for India — no signup, no data sent to servers. Pair calculators with our finance guides for deeper planning.